package com.example.onlinemusic.controller;

import com.example.onlinemusic.mapper.LoveMusicMapper;
import com.example.onlinemusic.model.Music;
import com.example.onlinemusic.model.User;
import com.example.onlinemusic.tools.Constant;
import com.example.onlinemusic.tools.ResponseBodyMessage;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

@RestController
@RequestMapping("/lovemusic")
public class LoveMusicController {

    @Resource
    private LoveMusicMapper loveMusicMapper;

    @RequestMapping("/likemusic")
    public ResponseBodyMessage<Boolean> likeMusic(@RequestParam String id,
                                                  HttpServletRequest request) {

        int musicId = Integer.parseInt(id);
        System.out.println("musicId: " + musicId);
        // 1. 检查是否登录了
        HttpSession httpSession = request.getSession(false);
        if(httpSession == null || httpSession.getAttribute(Constant.USERINFO_SESSION_KEY) == null) {
            System.out.println("没有登陆！");
            return new ResponseBodyMessage<>(-1, "请登录后上传", false);
        }
        User user = (User) httpSession.getAttribute(Constant.USERINFO_SESSION_KEY);
        int userId = user.getId();
        System.out.println("userId: " + userId);

        Music music = loveMusicMapper.findLoveMusicByMusicIdAndUserId(userId, musicId);
        if(music != null) {
            System.out.println("之前收藏过这个音乐, 不能进行再次收藏");
            return new ResponseBodyMessage<>(-1, "之前收藏过这个音乐",false);
        }
        Boolean effect = loveMusicMapper.insertLoveMusic(userId, musicId);
        if(effect) {
            System.out.println("收藏成功");
            return new ResponseBodyMessage<>(0, "收藏成功！",true);
        } else {
            return new ResponseBodyMessage<>(-1, "收藏失败！",false);
        }
    }

    @RequestMapping("/findlovemusic")
    public ResponseBodyMessage<List<Music>> findLoveMusic(@RequestParam(required = false) String musicName,
                                                          HttpServletRequest request) {
        // 1. 检查是否登录了
        HttpSession httpSession = request.getSession(false);
        if(httpSession == null || httpSession.getAttribute(Constant.USERINFO_SESSION_KEY) == null) {
            System.out.println("没有登陆！");
            return new ResponseBodyMessage<>(-1, "请登录后再进行查找", null);
        }

        User user = (User) httpSession.getAttribute(Constant.USERINFO_SESSION_KEY);
        int userId = user.getId();
        System.out.println("userId: " + userId);

        List<Music> musicList = null;
        if (musicName == null) {
            musicList = loveMusicMapper.findLoveMusicByUserId(userId);
        } else {
            musicList = loveMusicMapper.findLoveMusicBykeyAndUserId(musicName, userId);
        }

        return new ResponseBodyMessage<>(0, "查询到了所有歌曲的信息",musicList);
    }

    @RequestMapping("/deletelovemusic")
    public ResponseBodyMessage<Boolean> deleteLoveMusic(@RequestParam String id, HttpServletRequest request) {
        int musicId = Integer.parseInt(id);

        // 1. 检查是否登录了
        HttpSession httpSession = request.getSession(false);
        if(httpSession == null || httpSession.getAttribute(Constant.USERINFO_SESSION_KEY) == null) {
            System.out.println("没有登陆！");
            return new ResponseBodyMessage<>(-1, "请登录后再进行删除", null);
        }

        User user = (User) httpSession.getAttribute(Constant.USERINFO_SESSION_KEY);
        int userId = user.getId();
        System.out.println("userId: " + userId);

        int ret = loveMusicMapper.deleteLoveMusic(userId, musicId);

        if(ret == 1) {
            return new ResponseBodyMessage<>(0, "取消收藏成功！", true);
        } else {
            return new ResponseBodyMessage<>(-1, "取消收藏失败！", false);
        }
    }
}
